.form_default {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    .el-form-item {
        width: 45%;
    }
}

.width100 {
    width: 100% !important;
}
.form_item_head {
    width: 100%;
    border-bottom: 1px solid #ddd;
    margin: 8px 10px 25px 10px;
    padding-bottom: 5px;
    font-size: 15px;
    color: #6379bb;
}